442 lines
9.9 KiB
C
442 lines
9.9 KiB
C
/* Test the GNU extensions in glob which allow the user to provide callbacks
|
|
for the filesystem access functions.
|
|
Copyright (C) 2001-2002 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
Contributed by Ulrich Drepper <drepper@redhat.com>, 2001.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, write to the Free
|
|
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
|
02111-1307 USA. */
|
|
|
|
#include <dirent.h>
|
|
#include <errno.h>
|
|
#include <error.h>
|
|
#include <glob.h>
|
|
#include <mcheck.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <sys/stat.h>
|
|
|
|
|
|
/* #define DEBUG */
|
|
#ifdef DEBUG
|
|
# define PRINTF(fmt, args...) printf (fmt, ##args)
|
|
#else
|
|
# define PRINTF(fmt, args...)
|
|
#endif
|
|
|
|
|
|
static struct
|
|
{
|
|
const char *name;
|
|
int level;
|
|
int type;
|
|
} filesystem[] =
|
|
{
|
|
{ ".", 1, DT_DIR },
|
|
{ "..", 1, DT_DIR },
|
|
{ "file1lev1", 1, DT_REG },
|
|
{ "file2lev1", 1, DT_UNKNOWN },
|
|
{ "dir1lev1", 1, DT_UNKNOWN },
|
|
{ ".", 2, DT_DIR },
|
|
{ "..", 2, DT_DIR },
|
|
{ "file1lev2", 2, DT_REG },
|
|
{ "dir1lev2", 2, DT_DIR },
|
|
{ ".", 3, DT_DIR },
|
|
{ "..", 3, DT_DIR },
|
|
{ "dir2lev2", 2, DT_DIR },
|
|
{ ".", 3, DT_DIR },
|
|
{ "..", 3, DT_DIR },
|
|
{ ".foo", 3, DT_REG },
|
|
{ "dir1lev3", 3, DT_DIR },
|
|
{ ".", 4, DT_DIR },
|
|
{ "..", 4, DT_DIR },
|
|
{ "file1lev4", 4, DT_REG },
|
|
{ "file1lev3", 3, DT_REG },
|
|
{ "file2lev3", 3, DT_REG },
|
|
{ "file2lev2", 2, DT_REG },
|
|
{ "file3lev2", 2, DT_REG },
|
|
{ "dir3lev2", 2, DT_DIR },
|
|
{ ".", 3, DT_DIR },
|
|
{ "..", 3, DT_DIR },
|
|
{ "file3lev3", 3, DT_REG },
|
|
{ "file4lev3", 3, DT_REG },
|
|
{ "dir2lev1", 1, DT_DIR },
|
|
{ ".", 2, DT_DIR },
|
|
{ "..", 2, DT_DIR },
|
|
{ "dir1lev2", 2, DT_UNKNOWN },
|
|
{ ".", 3, DT_DIR },
|
|
{ "..", 3, DT_DIR },
|
|
{ ".foo", 3, DT_REG },
|
|
{ ".dir", 3, DT_DIR },
|
|
{ ".", 4, DT_DIR },
|
|
{ "..", 4, DT_DIR },
|
|
{ "hidden", 4, DT_REG }
|
|
};
|
|
#define nfiles (sizeof (filesystem) / sizeof (filesystem[0]))
|
|
|
|
|
|
typedef struct
|
|
{
|
|
int level;
|
|
int idx;
|
|
struct dirent d;
|
|
char room_for_dirent[NAME_MAX];
|
|
} my_DIR;
|
|
|
|
|
|
static long int
|
|
find_file (const char *s)
|
|
{
|
|
int level = 1;
|
|
long int idx = 0;
|
|
|
|
if (strcmp (s, ".") == 0)
|
|
return 0;
|
|
|
|
while (*s != '\0')
|
|
{
|
|
char *endp = strchrnul (s, '/');
|
|
|
|
PRINTF ("looking for %.*s, level %d\n", (int) (endp - s), s, level);
|
|
|
|
while (idx < nfiles && filesystem[idx].level >= level)
|
|
{
|
|
if (filesystem[idx].level == level
|
|
&& memcmp (s, filesystem[idx].name, endp - s) == 0
|
|
&& filesystem[idx].name[endp - s] == '\0')
|
|
break;
|
|
++idx;
|
|
}
|
|
|
|
if (idx == nfiles || filesystem[idx].level < level)
|
|
{
|
|
errno = ENOENT;
|
|
return -1;
|
|
}
|
|
if (filesystem[idx].type != DT_DIR
|
|
&& (idx + 1 >= nfiles
|
|
|| filesystem[idx].level >= filesystem[idx + 1].level))
|
|
{
|
|
errno = ENOTDIR;
|
|
return -1;
|
|
}
|
|
|
|
++idx;
|
|
|
|
if (*endp == '\0')
|
|
return idx;
|
|
|
|
s = endp + 1;
|
|
++level;
|
|
}
|
|
|
|
errno = ENOENT;
|
|
return -1;
|
|
}
|
|
|
|
|
|
static void *
|
|
my_opendir (const char *s)
|
|
{
|
|
long int idx = find_file (s);
|
|
my_DIR *dir;
|
|
|
|
|
|
if (idx == -1)
|
|
{
|
|
PRINTF ("my_opendir(\"%s\") == NULL\n", s);
|
|
return NULL;
|
|
}
|
|
|
|
dir = (my_DIR *) malloc (sizeof (my_DIR));
|
|
if (dir == NULL)
|
|
error (EXIT_FAILURE, errno, "cannot allocate directory handle");
|
|
|
|
dir->level = filesystem[idx].level;
|
|
dir->idx = idx;
|
|
|
|
PRINTF ("my_opendir(\"%s\") == { level: %d, idx: %ld }\n",
|
|
s, filesystem[idx].level, idx);
|
|
|
|
return dir;
|
|
}
|
|
|
|
|
|
static struct dirent *
|
|
my_readdir (void *gdir)
|
|
{
|
|
my_DIR *dir = gdir;
|
|
|
|
if (dir->idx == -1)
|
|
{
|
|
PRINTF ("my_readdir ({ level: %d, idx: %ld }) = NULL\n",
|
|
dir->level, (long int) dir->idx);
|
|
return NULL;
|
|
}
|
|
|
|
while (dir->idx < nfiles && filesystem[dir->idx].level > dir->level)
|
|
++dir->idx;
|
|
|
|
if (dir->idx == nfiles || filesystem[dir->idx].level < dir->level)
|
|
{
|
|
dir->idx = -1;
|
|
PRINTF ("my_readdir ({ level: %d, idx: %ld }) = NULL\n",
|
|
dir->level, (long int) dir->idx);
|
|
return NULL;
|
|
}
|
|
|
|
dir->d.d_ino = dir->idx;
|
|
|
|
#ifdef _DIRENT_HAVE_D_TYPE
|
|
dir->d.d_type = filesystem[dir->idx].type;
|
|
#endif
|
|
|
|
strcpy (dir->d.d_name, filesystem[dir->idx].name);
|
|
|
|
#ifdef _DIRENT_HAVE_D_TYPE
|
|
PRINTF ("my_readdir ({ level: %d, idx: %ld }) = { d_ino: %ld, d_type: %d, d_name: \"%s\" }\n",
|
|
dir->level, (long int) dir->idx, dir->d.d_ino, dir->d.d_type,
|
|
dir->d.d_name);
|
|
#else
|
|
PRINTF ("my_readdir ({ level: %d, idx: %ld }) = { d_ino: %ld, d_name: \"%s\" }\n",
|
|
dir->level, (long int) dir->idx, dir->d.d_ino,
|
|
dir->d.d_name);
|
|
#endif
|
|
|
|
++dir->idx;
|
|
|
|
return &dir->d;
|
|
}
|
|
|
|
|
|
static void
|
|
my_closedir (void *dir)
|
|
{
|
|
PRINTF ("my_closedir ()\n");
|
|
free (dir);
|
|
}
|
|
|
|
|
|
/* We use this function for lstat as well since we don't have any. */
|
|
static int
|
|
my_stat (const char *name, struct stat *st)
|
|
{
|
|
long int idx = find_file (name);
|
|
|
|
if (idx == -1)
|
|
{
|
|
PRINTF ("my_stat (\"%s\", ...) = -1 (%s)\n", name, strerror (errno));
|
|
return -1;
|
|
}
|
|
|
|
memset (st, '\0', sizeof (*st));
|
|
|
|
if (filesystem[idx].type == DT_UNKNOWN)
|
|
st->st_mode = DTTOIF (idx + 1 < nfiles
|
|
&& filesystem[idx].level < filesystem[idx + 1].level
|
|
? DT_DIR : DT_REG) | 0777;
|
|
else
|
|
st->st_mode = DTTOIF (filesystem[idx].type) | 0777;
|
|
|
|
PRINTF ("my_stat (\"%s\", { st_mode: %o }) = 0\n", name, st->st_mode);
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static const char *glob_errstring[] =
|
|
{
|
|
[GLOB_NOSPACE] = "out of memory",
|
|
[GLOB_ABORTED] = "read error",
|
|
[GLOB_NOMATCH] = "no matches found"
|
|
};
|
|
#define nglob_errstring (sizeof (glob_errstring) / sizeof (glob_errstring[0]))
|
|
|
|
|
|
static const char *
|
|
flagstr (int flags)
|
|
{
|
|
const char *strs[] =
|
|
{
|
|
"GLOB_ERR", "GLOB_MARK", "GLOB_NOSORT", "GLOB_DOOFSS", "GLOB_NOCHECK",
|
|
"GLOB_APPEND", "GLOB_NOESCAPE", "GLOB_PERIOD", "GLOB_MAGCHAR",
|
|
"GLOB_ALTDIRFUNC", "GLOB_BRACE", "GLOB_NOMAGIC", "GLOB_TILDE",
|
|
"GLOB_ONLYDIR", "GLOB_TILDECHECK"
|
|
};
|
|
#define nstrs (sizeof (strs) / sizeof (strs[0]))
|
|
static char buf[100];
|
|
char *cp = buf;
|
|
int cnt;
|
|
|
|
for (cnt = 0; cnt < nstrs; ++cnt)
|
|
if (flags & (1 << cnt))
|
|
{
|
|
flags &= ~(1 << cnt);
|
|
if (cp != buf)
|
|
*cp++ = '|';
|
|
cp = stpcpy (cp, strs[cnt]);
|
|
}
|
|
|
|
if (flags != 0)
|
|
{
|
|
if (cp != buf)
|
|
*cp++ = '|';
|
|
sprintf (cp, "%#x", flags);
|
|
}
|
|
|
|
return buf;
|
|
}
|
|
|
|
|
|
static int
|
|
test_result (const char *fmt, int flags, glob_t *gl, const char *str[])
|
|
{
|
|
size_t cnt;
|
|
int result = 0;
|
|
|
|
printf ("results for glob (\"%s\", %s)\n", fmt, flagstr (flags));
|
|
for (cnt = 0; cnt < gl->gl_pathc && str[cnt] != NULL; ++cnt)
|
|
{
|
|
int ok = strcmp (gl->gl_pathv[cnt], str[cnt]) == 0;
|
|
const char *errstr = "";
|
|
|
|
if (! ok)
|
|
{
|
|
size_t inner;
|
|
|
|
for (inner = 0; str[inner] != NULL; ++inner)
|
|
if (strcmp (gl->gl_pathv[cnt], str[inner]) == 0)
|
|
break;
|
|
|
|
if (str[inner] == NULL)
|
|
errstr = ok ? "" : " *** WRONG";
|
|
else
|
|
errstr = ok ? "" : " * wrong position";
|
|
|
|
result = 1;
|
|
}
|
|
|
|
printf (" %s%s\n", gl->gl_pathv[cnt], errstr);
|
|
}
|
|
puts ("");
|
|
|
|
if (str[cnt] != NULL || cnt < gl->gl_pathc)
|
|
{
|
|
puts (" *** incorrect number of entries");
|
|
result = 1;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
|
|
int
|
|
main (void)
|
|
{
|
|
glob_t gl;
|
|
int errval;
|
|
int result = 0;
|
|
const char *fmt;
|
|
int flags;
|
|
|
|
mtrace ();
|
|
|
|
memset (&gl, '\0', sizeof (gl));
|
|
|
|
gl.gl_closedir = my_closedir;
|
|
gl.gl_readdir = my_readdir;
|
|
gl.gl_opendir = my_opendir;
|
|
gl.gl_lstat = my_stat;
|
|
gl.gl_stat = my_stat;
|
|
|
|
#define test(a, b, c...) \
|
|
fmt = a; \
|
|
flags = b; \
|
|
errval = glob (fmt, flags, NULL, &gl); \
|
|
if (errval != 0) \
|
|
{ \
|
|
printf ("glob (\"%s\", %s) failed: %s\n", fmt, flagstr (flags), \
|
|
errval >= 0 && errval < nglob_errstring \
|
|
? glob_errstring[errval] : "???"); \
|
|
result = 1; \
|
|
} \
|
|
else \
|
|
result |= test_result (fmt, flags, &gl, (const char *[]) { c, NULL })
|
|
|
|
test ("*/*/*", GLOB_ALTDIRFUNC,
|
|
"dir1lev1/dir2lev2/dir1lev3",
|
|
"dir1lev1/dir2lev2/file1lev3",
|
|
"dir1lev1/dir2lev2/file2lev3",
|
|
"dir1lev1/dir3lev2/file3lev3",
|
|
"dir1lev1/dir3lev2/file4lev3");
|
|
|
|
test ("*/*/*", GLOB_ALTDIRFUNC | GLOB_PERIOD,
|
|
"dir1lev1/dir1lev2/.",
|
|
"dir1lev1/dir1lev2/..",
|
|
"dir1lev1/dir2lev2/.",
|
|
"dir1lev1/dir2lev2/..",
|
|
"dir1lev1/dir2lev2/.foo",
|
|
"dir1lev1/dir2lev2/dir1lev3",
|
|
"dir1lev1/dir2lev2/file1lev3",
|
|
"dir1lev1/dir2lev2/file2lev3",
|
|
"dir1lev1/dir3lev2/.",
|
|
"dir1lev1/dir3lev2/..",
|
|
"dir1lev1/dir3lev2/file3lev3",
|
|
"dir1lev1/dir3lev2/file4lev3",
|
|
"dir2lev1/dir1lev2/.",
|
|
"dir2lev1/dir1lev2/..",
|
|
"dir2lev1/dir1lev2/.dir",
|
|
"dir2lev1/dir1lev2/.foo");
|
|
|
|
test ("*/*/.*", GLOB_ALTDIRFUNC,
|
|
"dir1lev1/dir1lev2/.",
|
|
"dir1lev1/dir1lev2/..",
|
|
"dir1lev1/dir2lev2/.",
|
|
"dir1lev1/dir2lev2/..",
|
|
"dir1lev1/dir2lev2/.foo",
|
|
"dir1lev1/dir3lev2/.",
|
|
"dir1lev1/dir3lev2/..",
|
|
"dir2lev1/dir1lev2/.",
|
|
"dir2lev1/dir1lev2/..",
|
|
"dir2lev1/dir1lev2/.dir",
|
|
"dir2lev1/dir1lev2/.foo");
|
|
|
|
test ("*1*/*2*/.*", GLOB_ALTDIRFUNC,
|
|
"dir1lev1/dir1lev2/.",
|
|
"dir1lev1/dir1lev2/..",
|
|
"dir1lev1/dir2lev2/.",
|
|
"dir1lev1/dir2lev2/..",
|
|
"dir1lev1/dir2lev2/.foo",
|
|
"dir1lev1/dir3lev2/.",
|
|
"dir1lev1/dir3lev2/..",
|
|
"dir2lev1/dir1lev2/.",
|
|
"dir2lev1/dir1lev2/..",
|
|
"dir2lev1/dir1lev2/.dir",
|
|
"dir2lev1/dir1lev2/.foo");
|
|
|
|
test ("*1*/*1*/.*", GLOB_ALTDIRFUNC,
|
|
"dir1lev1/dir1lev2/.",
|
|
"dir1lev1/dir1lev2/..",
|
|
"dir2lev1/dir1lev2/.",
|
|
"dir2lev1/dir1lev2/..",
|
|
"dir2lev1/dir1lev2/.dir",
|
|
"dir2lev1/dir1lev2/.foo");
|
|
|
|
globfree (&gl);
|
|
|
|
return result;
|
|
}
|